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Nine vs FairEmail: catalog facts
Nine	FairEmail
Paid Pricing is not listed on the homepage; check the store listing for current terms.	Free Free to download from Google Play, F-Droid or GitHub releases.
Android, iOS	Android
Direct Push sync with Exchange ActiveSync servers Mail, calendar, contacts, tasks and notes in one app	Works with nearly all IMAP providers and unlimited accounts OpenPGP and S/MIME encryption built in
IMAP accounts sync email only Pricing not stated on the homepage	No Microsoft Exchange Web Services or ActiveSync support Android only
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.